EP1415675B1 - Valve pour contrôler le débit dans une procédé de perfusion où de transfusion - Google Patents

Valve pour contrôler le débit dans une procédé de perfusion où de transfusion Download PDF

Info

Publication number
EP1415675B1
EP1415675B1 EP20030024763 EP03024763A EP1415675B1 EP 1415675 B1 EP1415675 B1 EP 1415675B1 EP 20030024763 EP20030024763 EP 20030024763 EP 03024763 A EP03024763 A EP 03024763A EP 1415675 B1 EP1415675 B1 EP 1415675B1
Authority
EP
European Patent Office
Prior art keywords
housing
regulating valve
valve
valve chamber
valve according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP20030024763
Other languages
German (de)
English (en)
Other versions
EP1415675A1 (fr
Inventor
Bernd Beck
Jörg Weber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smiths Medical Deutschland GmbH
Original Assignee
Smiths Medical Deutschland GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Smiths Medical Deutschland GmbH filed Critical Smiths Medical Deutschland GmbH
Publication of EP1415675A1 publication Critical patent/EP1415675A1/fr
Application granted granted Critical
Publication of EP1415675B1 publication Critical patent/EP1415675B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16877—Adjusting flow; Devices for setting a flow rate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8225—Position or extent of motion indicator
    • Y10T137/8275—Indicator element rigidly carried by the movable element whose position is indicated
    • Y10T137/8292—Movable indicator element is a pointer
    • Y10T137/8309—Pointer integral with handle

Definitions

  • the invention relates to a control valve according to the preamble of claim 1.
  • Such a control valve is known from DE 83 12 029 U.
  • This control valve has a cup-shaped housing with an inlet and an outlet connection nozzle, which open into a hollow cylindrical valve chamber and a rotary part with a cup-shaped base body and a protruding cylindrical valve plug, which is sealingly inserted into the valve space on the outside and at least one of its outer circumference the connecting piece Having opposite groove which connects the connecting piece in fluid communication with each other and in the circumferential direction a having changing cross-section.
  • DE 42 01 416 A1 has a rotary body with two axially offset from one another arranged annular grooves which are connected by an axially extending channel.
  • inlet and outlet ports can be offset from each other in the axial direction.
  • JP 2002035123 A shows a computing disk for calculating the flow rate in a drip infusion.
  • On a flat plate several scales are applied on concentric circles.
  • An overlying turntable has according to the scales a plurality of circular segment-shaped windows, through which the scales are visible.
  • the flow rate of such control valves depends not only on the effective cross section but also on the hydrostatic pressure.
  • a vessel with the infusion liquid is attached to an infusion stand, wherein the vessel is mounted at a predetermined height on the stand.
  • a typical height is, for example, 50 cm above the infusion site on the patient. A change of this Height also leads to a change in the drip rate.
  • control valve is designed to be easy to assemble and assemble, simply, i. preferably be mediated with one hand and allow precise adjustment of the flow rate.
  • the basic principle of the invention is to provide in the lid of the rotary body a plurality of openings or windows which are distributed around the circumference and arranged radially offset from one another. Within the housing and below these windows several markings or scales are provided, namely according to the number of windows on which the flow rate can be read.
  • the problem of higher-viscosity liquids can be solved by one of the scales, which for example has only a simple lettering designation, with corresponding reference values assigned to the individual letters and in an accompanying user manual, a handbook etc. corresponding reference values can be assigned.
  • Another scale is a standard scale for isotonic saline solutions.
  • the control valve which is designated in its entirety by the reference numeral 1, has a housing 2, an insert body 3 and a rotary member 4. About two hose ends 5, the control valve is connected to an unillustrated container for infusion fluid and a blood vessel of the patient.
  • the housing 2 has a cup-shaped base body 20, to which a hollow cylindrical, fireplace-like valve chamber 21 is formed, and two lateral connecting pieces 22 and 23 for the tubes (5 in Fig. 1), via openings 24 and 25 with the interior of the cylindrical Valve space 21 are connected.
  • the two connection pieces 22 and 23 are arranged offset relative to one another with respect to the longitudinal axis 26 of the valve space 21 (cf., Fig. 2d) and are offset by 180 ° in the circumferential direction.
  • On the outer circumference of the cup-shaped base body 20 a plurality of handle nubs 29 are formed, which allow a firm, twist-proof holding by hand.
  • annular disc-shaped insert 3 is provided with a central opening 31 which engages over the valve space 21, i. the insert 3 is pushed over the valve space 21.
  • the insert 3 is clearly fixed relative to the housing 2, as will be apparent from the later description.
  • control valve has a rotary part 4, which, as will be explained in more detail in connection with FIG. 4, has a pot-shaped housing and a hollow-cylindrical valve plug 41 protruding therefrom, which engages in the valve chamber 21.
  • the outside of the rotary member 4 has a plurality of windows 45, 46 and 47, which are uniformly distributed in the circumferential direction and which are arranged offset in the radial direction to each other.
  • Each window 45, 46 and 47 is associated with a marker 35, 36, 37 so that the corresponding marker is readable by the associated window.
  • the control valve 1 according to the first embodiment is therefore in principle only three parts 2, 3, 4, which are for example made of plastic by injection molding.
  • the three parts are very easy to assemble. It is only the insert 3 is placed and then the rotary member 4 pushed over it and locked by a snap closure still described below.
  • FIG. 2 shows various views of the housing 2. It has a cup-shaped basic body 20, from which the hollow-cylindrical valve space 21 projects centrally.
  • the two connecting pieces 22 and 23 are formed, which are in fluid communication with the interior of the valve chamber 21 via openings 24 and 25, respectively.
  • the two connecting pieces 22 and 23 are - relative to the axis of rotation 26 of the control valve - offset by a distance V against each other.
  • a latching recess 27 is provided, into which engages a latching lug of the rotary member.
  • a radial projection is provided on the outer surface of the valve chamber 21, which serves as a rotation limiting stop 50.
  • an edge 28 can be seen in the interior of the valve chamber 21, from which the valve plug (FIG. 4) is in radial sealing engagement with the valve chamber 21.
  • Fig. 3 shows the insert 3, which forms a flat annular disc 30 with an opening 31, around which a cylindrical chimney-like projection 32 protrudes.
  • the projection 32 has at its free end two opposing recesses 33 with a semicircular base, which engage over the outer sides of the connecting pieces 22 and 23 (of Fig. 2), whereby the insert 3 is held against rotation in the housing 2.
  • the annular disc 30 near the outer periphery has a centering collar 34 for centering relative to the housing 2. This centering collar projects from the annular disc 30 in the same direction as the projection 32nd
  • Markings or scales 35, 36 and 37 are applied on concentric rings on the upper side of the annular disc 30 visible in FIG. 3a, for example in the form of numerical values for drip rates as a function of the rotational position of the rotary part (4 in FIG radially offset from each other arranged numerical values for different hydrostatic pressures or heights of a container with infusion liquid apply.
  • another scale may have letters associated with viscosity values of the liquid.
  • Fig. 4 shows the rotary member 4, which also has a cup-shaped base body and a projecting hollow cylindrical valve plug 41.
  • the valve plug 41 has on its outer circumference two annular grooves 42 and 43, which are offset from each other in the axial direction.
  • the one groove 42 has constant depth and constant cross section, while the other groove 43 has a continuously changing cross section in the circumferential direction, namely a continuously changing depth and sweeps over a limited area in the circumferential direction, which is here for example at 330 °.
  • an axial channel 44 is provided, the two grooves 42 and 43 connects with each other.
  • the main body 40 has, as best seen in Fig. 4a can be seen, a plurality of windows 45, 46 and 47, which are each offset by 120 ° in the circumferential direction and are arranged offset radially relative to the axis of rotation 26 so that they are not overlap. Adjacent to the windows 45, 46 and 47, recesses 49 are still provided in each case in which a marking is applied, such as e.g. a print indicating different heights, for example 0.5 m, 0.3 m and 0.7 m. Next there is a reading arrow to recognize, which then refers to the marking of the underlying marker of the circular disk 30.
  • a marking such as e.g. a print indicating different heights, for example 0.5 m, 0.3 m and 0.7 m.
  • the base body 40 has concentric with the Veritilküken 41 a projection 57 with a latching hook, which cooperates with the latching recess 27 of the housing (Fig. 2) and the rotary member with the housing after assembly firmly combines.
  • a rotation limiting stop 50 is provided on the valve chamber 21 of the housing 2 above the connecting piece 22, which cooperates with a rotation limiting stop 51 on the rotary member 4.
  • the rotation limiting stops 51 and 52 are arranged and dimensioned in the circumferential direction so that the full range of action of the groove 43 can be traversed, so here, for example, the range of 330 °.
  • Fig. 5 shows a cross section through the assembled control valve.
  • the assembly takes place so that the first insert 3 is pushed with its projection 32 on the valve chamber 21 of the housing and is aligned in the direction of rotation of the insert 3 so that the recesses 33 engage over the connecting pieces 22 and 23. Due to the different axial height of the connecting piece 22 and 23 and the corresponding different depth of the recesses 33 so that a unique position is fixed in the direction of rotation. Next engages the centering collar 34 in the edge of the housing 2, whereby the insert 3 occupies a unique position.
  • the rotary member 4 is used. Its valve plug 41 engages in the opening of the valve chamber 21 of the housing 2. By the mutual engagement of the locking recess 27 and the latching lug 57 of the rotary member takes place an axial locking.
  • the groove 42 on the valve plug 41 of the rotary member 4 is then correctly against the opening 24 so that the tube 5 of the connecting piece 23 is in flow communication with the groove 42.
  • the groove 42 is connected to the spiral groove 43, whereby a flow connection from the opening 24 to the opening 25 is provided, the effective cross section of the rotational position of the rotary member 4 depends.
  • the edge 28 defines the area between the valve chamber 21 and the valve plug 41, from which these two parts sealingly abut each other.
  • the part of the Ventikükens 41 from the edge 28, which also carries the two grooves 42 and 43, is made of a material that has a different hardness compared to the material of the valve chamber 21 so that there takes place a good sealing engagement.
  • the end face of the valve plug 41 has a distance to the bottom of the recess of the valve chamber 21, so that only the latching connection 27, 57 is decisive for the axial centering between housing and rotary part, if necessary
  • a small axial clearance has no influence on the tightness, but on the alignment between the openings 24 and 25 relative to the grooves 42 and 43. Make the openings 24 and 25 slightly wider than the width of the grooves 42 and 43, but also occurs in axial play no change in the flow rate.
  • Fig. 6 shows in more detail the grooves 42 and 43 and the channel 44.
  • the groove 42 is an annular groove with a constant Cross-section, while the groove 43 is referred to as a spiral groove and extends in the circumferential direction by the angle ⁇ and thereby has decreasing depth to the amount zero. Via the channel 44, the beginning of the groove 43 is always completely supplied with liquid from the channel 42. Depending on the rotational position of the rotary member 4 is a different depth of the groove 43 of the opening 25 opposite and thus determines the flow rate.
  • FIG. 7 The insert body 3, which is inserted into the housing 2, contains in the embodiment of FIG. 7, the valve chamber 21, the two connecting pieces 22 and 23 and the annular disc, which is designated here by the reference numeral 3 '.
  • This complete insert 3 is then inserted into the housing 2.
  • the annular disc 3 'with the printed scales 35, 36 is thus connected to the valve body and the housing 2 was separated from the valve body.
  • the housing 2 is thus a separate injection molded part with gripping surfaces 29, which is connected to the insert 3 via a snap connection. Further, in this embodiment, the rotation stopper for the rotary member was placed on the outer edge of the housing.
  • the positive connection takes place on the one hand between the rotary member and the valve body and on the other hand between the housing and the valve body.
  • the housing 2 has a cup-shaped base body with two lateral recesses 22 'and 23' for receiving the connecting pieces 22 and 23 of the valve body 3, which is inserted from above into the housing.
  • From the connecting pieces 22 and 23 are disk-shaped webs 60 and 61 from, each having two locking lugs 62, 63, which can engage in detent openings 64, 65 of the housing 2 and thus firmly anchor the valve body 3 in the housing 2.
  • the valve space 21 cross-annular disc 3 'is attached, which carries the scales to be read. In addition, this disc can still be attached via further webs 66 and 67 to the connecting piece.
  • an axially projecting rotation stop 68 is provided which cooperates with a counter-abutment 69 (FIG. 10) of the rotating part.
  • a circumferential latching lug 70 is attached, which has elastic properties by axial slots 71 and protrudes when inserting the valve plug into the valve chamber 21 from the open bottom 72 and snaps behind the end face located there.
  • Fig. 8 shows the housing 2 in plan view from above (Fig. 8a), side views from right and left (Figs. 8b and 8c), bottom view (Fig. 8d), front view (Fig. 8e), in perspective Top view (Fig. 8f), perspective view from below (Fig. 8g) and in longitudinal section the line BB (Fig. 8h) and along the line AA (Fig. 8i).
  • Indentations 70 and 71 are provided with grip knobs 72 on the underside of the housing, via which the housing can be gripped well and without slipping with one hand.
  • the housing In the interior of the housing webs 73 and 74 are provided for receiving the insert part 3, wherein the webs 73 are adapted to the shape of the connecting pieces 22 and 23 and the webs 62, 63 and 66, 67, so that the insert part 3 is held there form-fitting manner ,
  • the web 74 in the housing is annular and serves to center the valve chamber 21.
  • a further recess 75 in the bottom of the housing serves to receive the projecting from the valve chamber 21 free end of the valve plug 41st
  • FIG. 9 shows the valve body 3 in a view from below (FIG. 9a), side views from left and right (FIGS. 9b and 9c), a front view (FIG. 9d), a perspective view obliquely from below (FIG. 9e). and sectional views taken along line AA of Fig. 9a (Fig. 9f) and taken along line BB (Fig. 9g).
  • FIG. 9a and 9b can still be seen that the annular disc 3 'on its outer circumference has a recess 76 for the passage of the stop 68 of the housing 2 (see Fig .. 7). Furthermore, it can be seen that at the upper outer edge of the valve body, a circumferential projection 77 is present, which engages in a recess 81 described below of the rotary member. At the lower end of the valve body 21, a projection 78 is provided (compare Figures 9b, 9e and 9f) which engages in a recess 79 (see Figure 8h) in the web 74 of the housing.
  • the projection 78 serves essentially as an injection point during injection molding in order to avoid free jet formation.
  • a recess 79 is provided in the web 74 of the housing.
  • FIG. 10 shows the rotary part 4 in plan view from above (FIG. 10a), side view (FIG. 10b), bottom view (FIG. 10c), front view (FIG. 10d), a perspective view obliquely from below (FIG ) and a section along the line CC of Fig. 10a (Fig. 10f).
  • the rotating part is also pot-shaped here and has two windows 45, 46 for reading the scales on the annular disc 3 '.
  • the stop 69 can be seen, which serves as a counter-stop to the stop 68 of the housing 2 (Fig. 7) and causes the rotation limit of the rotary member.
  • the locking lug 70 can be seen at the free end of the valve plug 41, with which the rotary member is locked to the valve body 3.
  • an axially projecting edge 80 is seen, which extends at a radial distance from the valve plug 41, so that there is an annular space 81 is formed, in which one end of the valve chamber 21 engages with the projection 77, so that the rotary member is guided or stored here opposite the valve body 3.
  • FIG. 11 shows the control valve in the assembled state, in side view (FIG. 11 a), top view (FIG. 11 b), in a side view (FIG. 11 c) rotated by 90 °, in two perspective views obliquely from above and obliquely from FIG bottom ( Figure 11d) and a section along the line AA of Figure 11b ( Figure 11e) and a section along the line CC of Figure 11a ( Figure 11f).
  • FIGS. 11e and 11f clearly show the assembled state and how the individual components intermesh with one another. Due to the detailed item drawings and the associated description further explanation is not required because the skilled artisan readily recognizes construction and assembly and function of the items. In connection with Fig. 11e, however, it should be mentioned that in the embodiment shown there the two annular grooves 42 and 43 of the valve plug 41 of the first embodiment of FIG. 4 are formed somewhat differently.
  • the one groove 42 with constant depth and constant cross-section which can also be referred to as annulus with constant depth and constant cross-section, is not realized here as a groove in the valve plug but by two stages on the valve plug 41 and the valve chamber 21, which are arranged axially offset from one another are, and precisely by the diameter of the opening into the valve chamber a port.

Claims (12)

  1. Valve pour contrôler le débit dans un procédé de perfusion ou de transfusion, avec
    - un boîtier (2),
    - un raccord d'admission et un raccord de sortie (22, 23), qui débouchent dans une chambre de valve creuse cylindrique (21),
    - une pièce rotative (4), qui présente un élément de base en forme de pot et un boisseau de valve cylindrique (41) qui saille dudit élément de base, est insérable dans la chambre de valve (21) de façon étanche à l'extérieur et présente sur sa circonférence externe au moins une rainure (42, 43) opposée aux raccords (22, 23), laquelle assure une liaison d'écoulement entre lesdits raccords (22, 23) et présente dans le sens de la circonférence une section transversale qui varie,
    caractérisée par
    un disque annulaire (3'), qui recouvre la chambre de valve (21) et qui présente sur sa face orientée vers la pièce rotative (4) plusieurs repères (35, 36, 37) disposés sur des cercles concentriques, et en ce que
    la pièce rotative (4) présente plusieurs fenêtres (45, 46, 47), qui sont décalées les unes par rapport aux autres dans le sens de la circonférence et dans le sens radial et qui sont respectivement opposées à l'un des repères (35, 36, 37).
  2. Valve selon la revendication 1, caractérisée en ce que
    le disque annulaire (3') présente un collet de centrage annulaire (34), qui saille dans le sens axial et s'engrène dans le boîtier (2).
  3. Valve selon la revendication 1 ou 2, caractérisée en ce que
    le disque annulaire (3') présente une saillie cylindrique (32), qui présente sur sa face terminale des encoches (33) opposées l'une à l'autre, lesquelles recouvrent les raccords (22, 23) du boîtier (2).
  4. Valve selon l'une des revendications 1 à 3, caractérisée en ce que
    sur la face externe de la chambre de valve (21) est prévue une butée de limitation de rotation (50), qui coopère avec une butée de limitation de rotation (51) prévue sur la pièce rotative (4).
  5. Valve selon l'une des revendications 1 à 4, caractérisée en ce que
    la chambre de valve (21) présente sur sa face externe un creux d'arrêt (27), et la pièce rotative (4) présente concentriquement par rapport au boisseau de valve (41) une saillie cylindrique munie d'au moins un taquet d'arrêt (57), lequel s'engrène dans le creux d'arrêt (27).
  6. Valve selon l'une des revendications 1 à 5, caractérisée en ce que
    les axes longitudinaux des raccords (22, 23) sont décalés l'un par rapport à l'autre dans le sens axial relativement à l'axe de rotation (26) de la valve.
  7. Valve selon la revendication 6, caractérisée en ce que
    le boisseau de valve (41) présente sur sa circonférence externe deux rainures (42, 43), dont l'une est affectée au raccord d'admission et l'autre au raccord de sortie, un canal axial (44) assurant une liaison d'écoulement entre lesdites deux rainures (42, 43).
  8. Valve selon l'une des revendications 1 à 7, caractérisée en ce que
    l'intérieur de la chambre de valve (21) présente un gradin (28), à partir duquel une action d'étanchéité a lieu entre la chambre de valve (21) et le boisseau de valve (41).
  9. Valve selon la revendication 1, caractérisée en ce que
    le disque annulaire (3'), la chambre de valve (21) et les raccords (22, 23) sont conçus comme un insert (3) insérable dans le boîtier (2).
  10. Valve selon la revendication 9, caractérisée en ce que
    sur le bord extérieur supérieur du boîtier (2) est prévue une butée de rotation (68) et sur le fond de la pièce rotative (4) une contre-butée (69).
  11. Valve selon la revendication 10, caractérisée en ce que
    l'insert (3) est verrouillable dans des orifices (64, 65) du boîtier (2) par des taquets d'arrêt (62, 63).
  12. Valve selon la revendication 11, caractérisée en ce que
    la pièce rotative avec boisseau de valve intégré (41) est verrouillable sur la chambre de valve (21) au moyen d'une saillie d'arrêt (70).
EP20030024763 2002-10-29 2003-10-29 Valve pour contrôler le débit dans une procédé de perfusion où de transfusion Expired - Lifetime EP1415675B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002150391 DE10250391B4 (de) 2002-10-29 2002-10-29 Regelventil zum Einstellen des Volumenstromes bei einem Infusions- oder Transfusionsvorgang
DE10250391 2002-10-29

Publications (2)

Publication Number Publication Date
EP1415675A1 EP1415675A1 (fr) 2004-05-06
EP1415675B1 true EP1415675B1 (fr) 2006-05-17

Family

ID=32087273

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030024763 Expired - Lifetime EP1415675B1 (fr) 2002-10-29 2003-10-29 Valve pour contrôler le débit dans une procédé de perfusion où de transfusion

Country Status (5)

Country Link
US (1) US6916010B2 (fr)
EP (1) EP1415675B1 (fr)
JP (1) JP4236558B2 (fr)
AT (1) ATE326247T1 (fr)
DE (2) DE10250391B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013212325A1 (de) * 2013-06-26 2014-12-31 B. Braun Melsungen Ag Einstellvorrichtung für einen Durchflussregler

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA03010576A (es) 2001-05-18 2004-05-27 Deka Products Lp Equipo de infusion para una bomba de fluido.
US8034026B2 (en) 2001-05-18 2011-10-11 Deka Products Limited Partnership Infusion pump assembly
FR2833175B1 (fr) * 2001-12-06 2004-05-14 Sobem Dispositif de controle de debit, a usage medical
KR100468222B1 (ko) * 2004-07-16 2005-01-26 메인텍 주식회사 약액 주입량 조절장치
US7690396B2 (en) * 2006-07-20 2010-04-06 Baxter International Inc. Multirate tubing flow restrictor
KR100749266B1 (ko) * 2006-12-29 2007-08-13 박효남 약액 주입장치
WO2009157908A1 (fr) * 2008-06-27 2009-12-30 Davol, Inc. Commande de vide endoscopique
US9180245B2 (en) 2008-10-10 2015-11-10 Deka Products Limited Partnership System and method for administering an infusible fluid
US8066672B2 (en) 2008-10-10 2011-11-29 Deka Products Limited Partnership Infusion pump assembly with a backup power supply
US8262616B2 (en) 2008-10-10 2012-09-11 Deka Products Limited Partnership Infusion pump assembly
US8016789B2 (en) 2008-10-10 2011-09-13 Deka Products Limited Partnership Pump assembly with a removable cover assembly
US8267892B2 (en) 2008-10-10 2012-09-18 Deka Products Limited Partnership Multi-language / multi-processor infusion pump assembly
US8223028B2 (en) 2008-10-10 2012-07-17 Deka Products Limited Partnership Occlusion detection system and method
US8708376B2 (en) 2008-10-10 2014-04-29 Deka Products Limited Partnership Medium connector
EP2724739B1 (fr) 2009-07-30 2015-07-01 Tandem Diabetes Care, Inc. Système de pompe à perfusion ambulatoire
US9180242B2 (en) 2012-05-17 2015-11-10 Tandem Diabetes Care, Inc. Methods and devices for multiple fluid transfer
US9173998B2 (en) 2013-03-14 2015-11-03 Tandem Diabetes Care, Inc. System and method for detecting occlusions in an infusion pump
TR201815044T4 (tr) * 2013-10-07 2018-11-21 Anheuser Busch Inbev Sa Kontrol elemanı.
WO2015073603A1 (fr) 2013-11-15 2015-05-21 Ivenix, Inc. Ensemble régulateur d'écoulement de liquide
CN104740724A (zh) * 2013-12-27 2015-07-01 苏州和林精密科技有限公司 医用表盘式精密流量调节器
CN103785082B (zh) * 2014-02-26 2017-09-19 上海康德莱企业发展集团医疗器械有限公司 一种精密流量调节装置
KR101487754B1 (ko) * 2014-10-20 2015-01-29 주식회사한빛엠디 수액유량조절기
KR101532613B1 (ko) * 2014-12-24 2015-06-30 주식회사한빛엠디 정맥내 수액유량 자동 조절장치
KR101650939B1 (ko) * 2015-05-26 2016-08-25 마그닉스엔지니어링 (주) 수액 유량조절기
WO2019117835A2 (fr) * 2017-08-25 2019-06-20 Medbar Tibbi̇ Malzemeler Turi̇zm Sanayi̇ Ve Ti̇c.A.Ş. Dispositif de réglage de débit à grande sensibilité constitué de deux parties

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8312029U1 (de) * 1983-04-23 1983-08-18 B. Braun Melsungen Ag, 3508 Melsungen Tropfenregelgeraet
US5113904A (en) * 1984-07-13 1992-05-19 Aslanian Jerry L Flow control device for administration of intravenous fluids
IE56756B1 (en) 1984-07-13 1991-12-04 Master Medical Corp Flow control device for administration of intravenous fluids
US5005604A (en) * 1984-07-13 1991-04-09 Aslanian Jerry L Flow control device for administration of intravenous fluids
US4750707A (en) * 1986-10-20 1988-06-14 Perfection Corporation Angle valve
DE4201416A1 (de) 1992-01-21 1993-07-29 Andreas Mommer Dosiervorrichtung fuer uebertragungsgeraete der infusions- und transfusionstechnik
DE4340191C1 (de) 1993-11-25 1995-02-23 Matthias Faensen Gmbh & Co Kg Vorrichtung zur Regulierung des Volumenstromes bei einem Infusions- oder Transfusionsvorgang
US6273133B1 (en) * 1999-10-15 2001-08-14 Baxter International Inc. Fluid flow rate switching device
AU771667B2 (en) * 1999-11-02 2004-04-01 Fisher & Paykel Appliances Limited A gas valve
JP2002035123A (ja) 2000-07-19 2002-02-05 Concise:Kk 点滴用円型計算尺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013212325A1 (de) * 2013-06-26 2014-12-31 B. Braun Melsungen Ag Einstellvorrichtung für einen Durchflussregler

Also Published As

Publication number Publication date
ATE326247T1 (de) 2006-06-15
DE10250391A1 (de) 2004-05-19
US6916010B2 (en) 2005-07-12
JP4236558B2 (ja) 2009-03-11
US20040140444A1 (en) 2004-07-22
JP2004275739A (ja) 2004-10-07
EP1415675A1 (fr) 2004-05-06
DE10250391B4 (de) 2006-05-24
DE50303351D1 (de) 2006-06-22

Similar Documents

Publication Publication Date Title
EP1415675B1 (fr) Valve pour contrôler le débit dans une procédé de perfusion où de transfusion
DE60202251T2 (de) Gerät zur Regelung des Durchflusses medizinischer Flüssigkeiten zu einem Patienten
DE2463442C2 (de) Dosiervorrichtung
EP2059212B1 (fr) Connecteur polyvalent pour administration entérale
DE2904127C2 (fr)
DE3590339C2 (fr)
DE2702539A1 (de) Vorrichtung zur abgabe von fluessigkeit in genau vorherbestimmten mengen
DE2933512C2 (de) Proben-Einspritzventil
EP1248731B1 (fr) Dispositif d'actionnement verrouillable pour dispositif distributeur d'un contenant a liquide
DE202014001136U1 (de) Injektionsgerät
EP3102256A1 (fr) Appareil d'injection
EP0139943A2 (fr) Dispositif d'étranglement
DE4228565A1 (de) Ventil mit Voreinstellung
WO2018202424A1 (fr) Ensemble de chambre compte-gouttes pour un système de perfusion médicale
DE202014001135U1 (de) Injektionsgerät
DE19812961C2 (de) Ventilkuppelstück
WO2009049785A1 (fr) Dispositif d'amenée de liquides médicaux
EP0276416A1 (fr) Bouche d'écoulement pour robinets orientable dans tous les sens et comprenant un jet d'eau réglable
DE3107413A1 (de) "dosiervorrichtung fuer infusions- oder transfusionseinrichtungen"
EP0126197B1 (fr) Dispositif de dosage pour la régulation du débit constant du sang, solutions succédanées du sang et fluides analogues
DE202016102769U1 (de) Wasserflussregelanordnung einer Gartenspritzpistole und Sperrventil-Anschluss dafür
DE4205508C2 (de) Dosiervorrichtung
DE19801276C1 (de) Blutentnahmevorrichtung
EP0552854A1 (fr) Dispositif de dosage pour système de perfusion
EP1795170B1 (fr) Dispositif d'administration pour l'alimentation entérale

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

17P Request for examination filed

Effective date: 20040522

AKX Designation fees paid

Designated state(s): AT DE GB IT TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT DE GB IT TR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20060517

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 50303351

Country of ref document: DE

Date of ref document: 20060622

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20060928

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20070220

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20181016

Year of fee payment: 16

Ref country code: AT

Payment date: 20180925

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: MT

Payment date: 20181018

Year of fee payment: 6

Ref country code: IT

Payment date: 20181018

Year of fee payment: 16

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50303351

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200501

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 326247

Country of ref document: AT

Kind code of ref document: T

Effective date: 20191029

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20191029

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191029

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191029

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191029

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20221021

Year of fee payment: 20